Granted Patent
Utility
US 6,410,862 · App. 09/462,311
Device and method for measuring the flow rate of drill cuttings
Inventor:
Jean-Paul LeCann
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jan 6, 2000
Inventor
Jean-Paul LeCann
Assignee (at issue)
Geoservices S.A.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.